<template>
  <div class="bc">
   
  </div>

</template>

<script lang="ts" >

</script>


<style scoped lang="less">
.bc {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: -999;
  // background: url('@/assets/img/图层111.png') center/cover;
}
</style>
